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Item#: N82E16833124055

Cisco Small Business SRW2048 10/100/1000Mbps Switch

  • 48 RJ-45 connectors for 10BASE-T, 100BASE-TX and 1000BASE-T with 4 shared SFP slots
  • 8K MAC Address Table
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Learn more about the Cisco Small Business SRW2048

Model

Brand
Cisco Small Business
Model
SRW2048

Spec

Standards
802.3i 10BASE-T Ethernet, 802.3u 100BASE-TX Fast Ethernet, 802.3ab 1000BASE-T Gigabit Ethernet, 802.3z Gigabit Ethernet, 802.3x Flow Control
Ports
48 RJ-45 connectors for 10BASE-T, 100BASE-TX and 1000BASE-T with 4 shared SFP slots
Speed
10/100/1000Mbps
MAC Address Table
8K
Security
802.1x - RADIUS Authentication. MD5 Encryption
Filtering: MAC-based
Cabling
UTP CAT 5 or better for 10BASE-T/100BASE-TX, UTP CAT 5e or better for 1000BASE-T
LEDs
Power, Link/Act, Speed
VLAN Support
Number of VLANs: 256 - Static (Today) and Dynamic (Future)
Port-based and 802.1q based VLANs, Private VLAN Edge (PVE), Management VLAN
Power
Internal switching power
Dimensions
17.0" x 13.8" x 1.8"
Weight
8.6 lbs.
Temperature
0ºC to 50ºC (32ºF to 122ºF)
Humidity
10% - 90%, Non-condensing

Features

Features
Switching Capacity: 96 Gbps, non-blocking

Management
Web User Interface: Built-in Web UI for easy browser-based configuration (HTTP/HTTPS)
SNMP: SNMP version 1, 2, 3 with support for trap
SNMP MIBs: SNMP version 1, 2, 3 with support for traps MIBs RFC1213 MIB-2, RFC2863 Interface MIB, RFC2665 Ether-like MIB, RFC1493 Bridge MIB, RFC2674 Extended Bridge MIB (P-bridge, Q-bridge), RFC2819 RMON MIB (groups 1,2,3,9 only), RFC2737 Entity MIB, RFC 2618 RADIUS Client MIB
RMON: Embedded Remote Monitoring (RMON) software agent supports four RMON groups (history, statistics, alarms, and events) for enhanced traffic management, monitoring, and analysis
Firmware Upgrade: Web Browser upgrade (HTTP), TFTP upgrade
Port Mirroring: Traffic on a port can be mirrored to another port for analysis with a network analyzer or RMON probe
Other Management: RFC854 Telnet (Menu-driven configuration), Secure Shell (SSH) and Telnet Management, Telnet Client, SSL security for Web UI, Switch Audit Log, DHCP Client, BootP, SNTP, Xmodem upgrade, Cable Diagnostics, PING, Traceroute

Availability
Link Aggregation: Link Aggregation using IEEE 802.3ad LACP, Up to 8 ports in up to 8 groups
Storm Control: Broadcast, Muticast, and Unknown Unicast
Spanning Tree: IEEE 802.1d Spanning Tree, IEEEE 802.1s Multiple Spanning Tree, IEEE 802.1w Rapid Spanning Tree, Fast Linkover
IGMP Snooping: IGMP (v1/v2) snooping provides for fast client joins and leaves of multicast streams and limits bandwidth-intensive video traffic to only the requestors

QoS
Priority Levels: 4 Hardware queues
Scheduling: Priority Queueing and Weighted Round Robin (WRR)
Class of Service: Port-based, 802.1p VLAN priority based, IP TOS/DSCP based, IPv4 Traffic Class based COS
Rate Limiting: Ingress Policer, Egress Shaper

Packaging

Package Contents
SRW2048
Serial Cable
Resource Disk
Power Cord

Customer Reviews of the Cisco Small Business SRW2048

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  • Bean
  • 9/1/2010 5:31:14 PM
  • Tech Level: High
  • Ownership: more than 1 year

2 out of 5 eggsFailure Prone

Pros: Great switch with plenty of ports to accommodate even the largest networks. Work well in tandem and have great throughput.

Cons: We have 3 of them in our business and each and every one of them has failed in the same way. They start with severe network broadcast storming, failure to route data, failure to work after hard resets and firmware updates.

Did you find this review helpful? Yes No

  • tobz
  • 6/10/2010 7:50:24 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year

4 out of 5 eggsRead the manual!

Pros: Good price, abundance of ports, can rackmount it, four SFP ports to trunk it with other switches, managed, web interface.

Cons: The web interface is slow, yes. For all of the people complaining about slow reboot times - turn off spanning tree. I turned off spanning tree and the switch reboots relatively quickly.

Other Thoughts: If you're buying business-level equipment, you should know how to read the manual and configure the equipment... all of these people complaining about slow reboots apparently didn't take the time to READ and realize it's slow because STP is on by default.

Did you find this review helpful? Yes No

  • NetAdmin
  • 2/26/2009 10:44:09 AM
  • Tech Level: High
  • Ownership: more than 1 year

2 out of 5 eggsDitto

Pros: The obvious pro is the price.

Cons: I have had the same issues as the others, where the web server is very unreliable, slow as all get out.
I have 3 of these switches all on the latest firmware. 1 switch failed to update via the web and I had to update through console cable which took over 30 minutes....
Rebooting these things takes ages!
I had my switches on for 385 days straight and on about day 375 they all went ballistic. I had packet loss all over the place, storming, random disconnects and it became increasingly worse, luckily power cycling them seemed to have solved the issue.
While the price is right, the annoyances are certainly abundant...

2 out of 2 people found this review helpful. Did you? Yes No

  • Bryansix
  • 2/2/2009 8:57:16 AM
  • Tech Level: High
  • Ownership: more than 1 year

1 out of 5 eggsPoor Design, worse implementation

Pros: It is an inexpensive switch with an easy to navigate web interface.

Cons: Poor design, worse implementation. I've had these switches in service for more than a year. The first thing you notice is that these switches take forever to boot. They take a good 5 minutes to come fully online. The web interface is flaky and sometimes the switch fails to serve the webpage at all until the switch is rebooted. I had one switch which required 5 different people to look at it just to be able to get in via the console cable and this was with Linksys support on the phone. Linksys actually gave me an RMA # for that switch but I later found out that the number was invalid. Linksys did not return an email requesting a valid number. RAM's can only be processed online. If they don't return the email that means it is basically impossible to RMA and item. AVOID LINKSYS LIKE THE PLAUGE!

Other Thoughts: The switch also does wierd things like lose settings and boot with dead ports. This switch while appearing to be a good value is NOT. I replaced with the DLINK DGS-3048. This switch boots instantanously and doesn't have any of the above problems.

1 out of 1 people found this review helpful. Did you? Yes No

  • N/A
  • 3/27/2007 8:16:15 AM
  • Tech Level: High
  • Ownership: more than 1 year

3 out of 5 eggsCheap

Pros: It's definitely one of the cheapest 48 port managed switches out there.

Cons: The latest firmware only works with Internet Explorer 6 on Windows XP. Vista, Mac, and Linux users should look elsewhere. VLAN support is very flakey / unreliable.

4 out of 4 people found this review helpful. Did you? Yes No

  • Brain2000
  • 12/2/2006 12:40:03 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year

5 out of 5 eggsAwesome Switches For The Price

Pros: I have these set up in pairs with Spanning Tree+LACP LAG trunking (for doubling speed between switches and redundancy). Configuration at the port level for speed, duplex, flow control, back pressure, MDI/MDIX, Storm Control is a plus. The backplane speed on this is 96GBps, as all ports can run at the same time, full speed, full duplex, non-blocking. I bought these in lieu of $40,000 of Cisco redundant switch equipment. Is the Cisco better? Sure, but not by much. Reliability of packet delivery has been 100% for me.

Cons: The web interface is a little cumbersome, and the newer firmwares are buggy (stick with 1.0.0.50, newer ones may eventually be better). One problem with the newer firmware then 1.0.0.50 is the ADMIN password doesn't save, and you can log in with any password.

Other Thoughts: I own 8 of these units. One of them did ship with 50% dead ports. Linksys replaced it immediately. Also, you CAN change the password if you don't know it. While booting up the switch with the serial cable, you can get into a "maintenance" menu that allows resetting the password.

2 out of 2 people found this review helpful. Did you? Yes No

  • rees
  • 9/10/2006 6:39:53 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week

2 out of 5 eggsPoor quality

Pros: Cheap.

Cons: Newest firmware is much worse than previous versions. No longer supports config by web browser, now must use a proprietary, Windows-only app. Can't config vlans or trunk groups via ssh or telnet. Can't turn off telnet. Very confusing vlan configuration. Config screens don't let you see all ports at one, you must scroll through multiple screens to get to them all. Clunky and slow.

Other Thoughts: If you have firmware 1.0.0.50 or older, don't upgrade it!

7 out of 7 people found this review helpful. Did you? Yes No

  • YEL
  • 7/19/2006 3:09:14 PM
  • Tech Level: High
  • Ownership: less than 1 day
  • Verified Owner

5 out of 5 eggsWorks Great

Pros: Low price for what it does.

Everything tested good on turn on. Only thing I haven't tested is the serial port and I don't have one available to use for testing.

Cons: None yet.

Other Thoughts: Don't let my review discount the first two, however my gamble paid off without incident. There is a chance that NewEgg.com had a bad lot and now has a good lot; however there is a chance that I just got lucky from a bad lot.

Over all, if you get a working one it's a great switch for the price. Recommend testing all ports possible when you buy it.

2 out of 2 people found this review helpful. Did you? Yes No

  • Rawhide
  • 7/5/2006 6:20:52 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsLinksys DOA

Pros: Numerous Ports, VLAN capability, 4 miniGBIC slots

Cons: 1st switch was defective, complicated return process, no password reset

Other Thoughts: Just like the previous reviewer, the product was sent defective. There must be a bad batch of these switches that NewEgg bought. I spent 3 weeks trying to get a replacement.

Overall, once you get a working switch, it works great. I use Cisco SFPs and they work fine in this switch. I should have bought the Netgear..it would have probably saved me time.

1 out of 1 people found this review helpful. Did you? Yes No

  • newegg-at-work
  • 4/27/2006 6:48:22 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

2 out of 5 eggsPoor design and NO support

Pros: Cheap. NewEgg shipped the original and the replacement very fast. No fault to NewEgg. I can't blame them for anything. Service is great.

Cons: Poor design. Shipped with 50% dead ports. Replacement has an admin password that is not the default. Linksys states that it must be replaced to reset the password. They say that there is NO reset procedure, which doesn't make sense to me since all of my cheap Linksys and expensive Cisco equipment can be reset. I expected more from both brands. This is a serious disappointment.

Other Thoughts: I'll have to remember that "nobody ever gets fired for buying Cisco" does NOT apply to Linksys products as well. This product has damaged my reputation with my clients as well as eliminated Linksys as a potential solution in any of my future projects.

5 out of 8 people found this review helpful. Did you? Yes No

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Buzz

Poor quality

2 out of 5 eggs
Newest firmware is much worse than previous versions. No longer supports config by web browser, now must use a proprietary, ...
— rees 9/10/2006

Cheap

3 out of 5 eggs
It's definitely one of the cheapest 48 port managed switches out there.
— 3/27/2007


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